UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042400.upa.cvt Date: 0000Z 24 APR 25 Searching for U6781... Searching the city database file for: U6781 ... Date:0000Z 24 APR 25 Station: U6781 WMO ident: 26781 Latitude: 54.75 Longitude: 32.07 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- 0 1000 133 SFC 987 243 12.2 6.2 67 6.0 9.0 20 5 286.4 287.5 282.7 303.4 6.03 2 956 510 12.0 5.0 62 7.0 8.3 37 7 288.8 289.8 283.4 305.1 5.72 3 925 785 10.0 4.0 66 6.0 6.9 55 9 289.5 290.5 283.5 305.3 5.51 4 850 1485 7.8 -1.2 53 9.0 3.5 235 9 294.3 295.1 284.0 306.4 4.12 5 788 2105 3.4 -3.6 60 7.0 0.3 241 17 296.1 296.7 284.2 307.1 3.72 6 765 2345 2.6 -9.4 41 12.0 -2.1 243 20 297.7 298.2 283.5 305.2 2.45 7 747 2537 0.8 -12.2 37 13.0 -3.9 245 22 297.8 298.1 283.0 304.0 2.00 8 724 2787 -1.3 -7.3 64 6.0 -3.7 247 26 298.2 298.7 284.3 307.4 3.05 9 700 3055 -3.5 -9.5 63 6.0 -5.8 250 29 298.6 299.1 284.1 306.7 2.66 10 664 3469 -7.3 -10.7 77 3.4 -8.5 251 28 298.9 299.3 284.1 306.7 2.55 11 636 3803 -9.1 -12.1 79 3.0 -10.1 251 28 300.5 301.0 284.5 307.9 2.38 12 554 4856 -16.1 -30.1 29 14.0 -18.7 253 26 304.4 304.5 283.9 306.3 0.57 13 500 5620 -21.5 -37.5 22 16.0 -23.7 255 25 306.8 306.9 284.5 307.9 0.30 14 460 6228 -25.7 -41.7 21 16.0 -27.4 261 27 309.0 309.0 285.2 309.8 0.21 15 424 6811 -30.9 -49.9 14 19.0 -32.2 266 29 309.6 309.6 285.3 310.0 0.09 16 400 7220 -34.7 -47.7 26 13.0 -35.5 270 31 309.9 309.9 285.4 310.4 0.13 17 352 8100 -42.3 -52.3 33 10.0 -42.7 274 33 311.2 311.2 285.9 311.5 0.09 18 322 8696 -47.9 -56.9 35 9.0 -48.1 278 34 311.5 311.5 285.9 311.7 0.05 19 300 9160 -51.3 -59.3 38 8.0 -51.5 280 35 313.0 313.1 286.5 313.2 0.04 20 250 10320 -60.9 -68.9 34 8.0 -61.0 290 40 315.5 315.5 287.3 315.6 0.01 21 236 10678 -62.5 -70.5 33 8.0 -62.6 280 38 318.4 318.4 288.2 318.4 0.01 22 224 11003 -58.5 -66.5 35 8.0 -58.6 272 34 329.3 329.3 291.5 329.4 0.02 23 200 11720 -56.5 -64.5 36 8.0 -56.6 255 25 343.3 343.3 295.1 343.4 0.03 24 150 13570 -51.9 -62.9 26 11.0 -52.3 260 21 380.6 380.7 302.4 380.9 0.05 25 149 13613 -51.7 -62.7 26 11.0 -52.1 260 21 381.7 381.7 302.6 382.0 0.06 26 100 16180 -54.5 -69.5 14 15.0 -55.0 260 17 422.4 422.4 308.0 422.6 0.03 27 71 18369 -54.1 -72.1 9 18.0 -54.8 284 9 466.7 466.8 312.4 466.9 0.03 28 70 18460 -54.9 -72.9 9 18.0 -55.6 285 9 466.9 466.9 312.4 467.1 0.03 29 50 20590 -58.7 -77.7 7 19.0 -59.3 290 11 505.2 505.2 315.3 505.3 0.02 30 41 21842 -56.5 -76.5 6 20.0 -57.5 309 10 540.1 540.1 317.5 540.3 0.03 31 30 23820 -57.3 -78.3 5 21.0 -58.5 340 9 588.4 588.4 320.1 588.6 0.03 32 20 26380 -56.7 -77.7 5 21.0 -58.5 320 13 662.6 662.6 323.2 663.0 0.05 33 15 28198 -58.1 -80.1 4 22.0 -60.1 714.8 714.8 324.9 715.2 0.04 TRP 236 10678 -62.5 -70.5 33 8.0 -62.6 280 38 318.4 318.4 288.2 318.4 0.01 WND Sounding variables and indices 1000-500 mb thick: 5487.00 m Freezing level: 738.24 mb = 2632.14 m = 8635.53 ft Wetbulb zero: 785.51 mb = 2130.31 m = 6989.13 ft Precipitable water: 0.61 inches Sfc-500 mean rel hum: 53.98 % Est. max temperature: 20.42 C = 68.76 F Sfc-Lift cond lev (LCL): 901.39 mb = 999.03 m = 3277.61 ft T: 9.33 C 700-500 lapse rate: 7.02 C/km ThetaE index: 3.15 C Layer 765.0- 724.0 mb Conv cond level (CCL): 749.11 mb = 2513.99 m = 8247.89 ft Mean mixing ratio: 5.51 g/kg Conv temperature: 23.52 C = 74.33 F Cap Strength: 4.85 C Lifted Index: 4.03 C Risk: None Lifted Index @300 mb: 5.81 C Lifted Index @700 mb: 3.16 C Showalter Index: 3.09 C Risk: None Total Totals Index: 49.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 29.30 C Cross Totals Index: 20.30 C K Index: 22.10 Risk: 20-40 % chance of thunderstorms Sweat Index: 55.00 Risk: None Energy Index: 0.33 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.74 J/kg Max Up Vert Vel: 5.79 m/s Conv Inhibition (B-): 52177.50 J/kg Cap Strength: 4.85 C Lift Cond Lev (LCL): 846.76 mb = 1516.25 m = 4974.52 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 283 at 16 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 987 243 20 5 -1.7 -4.7 | 86 17 -17.2 -1.3 1 925 785 55 9 -7.4 -5.2 | 86 23 -22.9 -1.7 2 850 1485 235 9 7.4 5.2 | 137 12 -8.1 8.6 3 700 3055 250 29 27.3 9.9 | 221 18 11.8 13.4 4 500 5620 255 25 24.1 6.5 | 221 13 8.7 9.9 5 400 7220 270 31 31.0 -0.0 | 257 16 15.5 3.4 6 300 9160 280 35 34.5 -6.1 | 278 19 19.0 -2.6 7 250 10320 290 40 37.6 -13.7 | 295 24 22.1 -10.2 8 236 10678 280 38 37.4 -6.6 | 278 22 21.9 -3.2 9 200 11720 255 25 24.1 6.5 | 221 13 8.7 9.9 10 150 13570 260 21 20.7 3.6 | 216 9 5.2 7.1 11 100 16180 260 17 16.7 3.0 | 191 7 1.2 6.4 12 70 18460 285 9 8.7 -2.3 | 99 7 -6.8 1.1 13 50 20590 290 11 10.3 -3.8 | 86 5 -5.2 -0.3 14 30 23820 340 9 3.1 -8.5 | 68 13 -12.4 -5.0 15 20 26380 320 13 8.4 -10.0 | 48 10 -7.1 -6.5 Wind Parameters Mean winds (0-6000m): 252.5 at 21.2 knts Storm direction: 282.5 at 15.9 knts Shear (0-3000m) pos: 5.5 neg: 0.0 tot: 5.5 10-3/s Storm rel Dir Shear (0-3000m): 135.6 deg Storm rel helicity (0-3000m) pos: 190.1 neg: -2.9 tot: 187.2 m^2/s^2 ave: 62.4 10^-3 m/s^2 rel: 0.72 Storm rel vorticity (0-3000m) horiz: 9.3 stream: 6.7 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.17 Bulk Shear: 98.23 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 41 7 85 20| 5.3 0.0 5.3| 2.7 -2.9 -0.1 -0.3 -0.02| 5.5 -0.1 1000 68 8 91 23| 7.0 0.0 7.0|109.8 -2.9 106.9 106.9 0.71| 12.4 8.7 1500 13 9 74 18| 5.7 0.0 5.7|135.0 -2.9 132.2 88.1 0.64| 12.6 8.1 2000 249 10 140 9| 5.8 0.0 5.8|154.5 -2.9 151.6 75.8 0.69| 11.1 7.7 2500 248 13 155 9| 5.9 0.0 5.9|175.5 -2.9 172.6 69.0 0.72| 10.3 7.4 3000 250 15 171 9| 5.5 0.0 5.5|190.1 -2.9 187.2 62.4 0.72| 9.3 6.7 4000 250 18 190 10| 3.9 0.0 3.9|190.3 -2.9 187.4 46.9 0.70| 7.2 5.0 5000 251 20 200 11| 3.0 0.0 3.0|190.3 -3.1 187.2 37.4 0.68| 6.0 4.0 6000 253 21 206 11| 2.6 0.0 2.6|202.6 -3.2 199.4 33.2 0.69| 5.3 3.6 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20250424.00.gif